510(k) Report

510(k) · Cleared

Recalled · Class II · 2023

Xpert Xpress Strep A

K172126510(k) TraditionalCleared Sep 25, 201773-day reviewClass II21 CFR 866.2680Recalls 2

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Cepheid · PGX Groups A, C And G Beta-Hemolytic Streptococcus Nucleic Acid Amplification System

Cleared on Sep 25, 2017 as substantially equivalent to K141338 (Iquum, Inc., 2014) after a 73-day review. Its family tree reaches back 2 generations to 2014. It has been recalled 2 times.

Decided
Sep 25, 2017
Review
73 days
Class
Class II
Product code
PGX
Recalls
2
Predicates
1

Its longest line of descent runs back 2 generations to DEN140005 (2014). No later device cites it as a predicate yet.

  1. Root · 2 generations backDEN140005 Lyra Direct Strep AssayQuidel Corporation · 2014
  2. 1 generation backK141338 Liat Strep a AssayIquum, Inc. · 2014
  3. This deviceK172126 Xpert Xpress Strep ACepheid · 2017
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2DEN140005Lyra Direct Strep AssayQuidel Corporation2014—
−1K141338Liat Strep a AssayIquum, Inc.2014—
0 (this device)K172126Xpert Xpress Strep ACepheid2017—
FIG. 1 — Lineage of K172126, 2014–2017Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in PGX? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new PGX device

  1. #1 K260047 cobas Strep A Nucleic acid test for use on the…score 14.0 · 8 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K141338Liat Strep a Assay
Summary page 4
…crobiology (83) Advisory Panel Prescription Use Yes Predicate Device IQuum Roche Liat™ Strep A Assay Assay: [510(k) #K141338] Xpert Xpress Strep a 510(k) Page 1 Device Description: The…
Iquum, Inc.2014—

Also cleared against K141338: 4 other devices →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Apr 24, 2023Class IIZ-0215-2024Unknown/Undetermined by firmpipettes packaged in Strep A test may fail to dispense an adequate sample volume which could result in "invalid" results or no result test results.
Apr 24, 2023Class IIZ-0216-2024Unknown/Undetermined by firmpipettes packaged in Strep A test may fail to dispense an adequate sample volume which could result in "invalid" results or no result test results.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 3 years and passes through 3 companies; a new generation was cleared every 2.9 years on median.
  • None of the 2 ancestors has a recall.
  • 4 other devices also cite its predicate K141338.

How does its category compare?

All PGX devices

PGX Groups A, C And G Beta-Hemolytic Streptococcus Nucleic Acid Amplification System: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · PGX

1in 2020

2014: 32015: 32016: 12017: 22018: 22019: 12020: 12026 (partial year): 2
2007high 3 (2014) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · PGX

85in 2015

2015: 85 days median
2007high 85 (2015)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · PGX

2in 2023

2023: 2
2007high 2 (2023) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · PGX

1in 2022

2019: 22022: 1
2007high 2 (2019) · low 0 (2007)2025

MAUDE reports naming product code PGX, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20143—00
201538500
20161—00
20172—00
20182—00
20191—02
20201—00
20210—00
20220—01
20230—20
20240—00
20250—00
20262—0—

What is it indicated for?

The Xpert Xpress Strep A Assay, performed on the GeneXpert Instrument Systems, is a rapid, qualitative in vitro

diagnostic test for the detection of Streptococcus pyogenes (Group A beta-hemolytic Streptococcus, Strep A) in throat

swab specimens from patients with signs and symptoms of pharyngitis.

The Xpert Xpress Strep A Assay utilizes an automated real-time polymerase chain reaction (PCR) to detect Streptococcus

pyogenes DNA.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K172126: Xpert Xpress Strep A.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K172126

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026